package Meituan;

import java.util.HashSet;
import java.util.Set;

/**
 * @author: leiwenkang02@meituan.com
 * @date: 2018/5/16
 * @time: 14:14
 */
public class Test05 {
    public static void main(String[] args) {
        Set<Long> set = new HashSet<>();
        set.add(10L);
        set.add(11L);
        set.add(15L);
        set.remove(15L);
        for (Long i : set) {
            System.out.println(i);
        }
    }
}
